Last name Микалаюнас (Микалаюнас 
, Mikalajunas 
, Mikalayunas ) , in the world, is a rare family name. The last name Микалаюнас is habitual in Northern Europe, particularly Lithuania, where it is quite a common surname, Latvia, where it is a rare surname, and Norway. Not in comparison with a country's population, it is the most numerous in Lithuania, the United States, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Микалаюнас | Russia |
| Mikalajunas | Norway, United Kingdom, United States, Latvia, Lithuania |
| Mikalayunas | Russia, United States |
| саулюс йонович микалаюнас Lithuanian footballer, LT (b. 1972) |
|